
import numpy as np


arr1 = np.array(list(range(4))).reshape(2,2)
print(arr1)

arr2 = np.arange(5,9).reshape(2,2)
print(arr2)

arr3 = np.stack((arr1,arr2),axis=0)
print(arr3)
print(arr3[0,1,1])
print(arr3[1,1,0])



